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Audio interface latency problems?

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Comments

  • Quick question: Is this problem only related to using CCK/ USB lightning adapter with a USB interface?

    More specifically, does a MFi "Made for iOS" audio interface avoid this problem in iOS 9.2? MFi interfaces use a proprietary direct lightning connection cable or a dock.

  • @Hmtx said:
    Quick question: Is this problem only related to using CCK/ USB lightning adapter with a USB interface?

    More specifically, does a MFi "Made for iOS" audio interface avoid this problem in iOS 9.2? MFi interfaces use a proprietary direct lightning connection cable or a dock.

    I'd be shocked if those devices weren't impacted as well. Pretty sure the iOS issue is going to apply to any audio interface. Oddly though, several folks on this board have said they have no issues with their interface and iOS 9, so ymmv

  • I have a focusrite 18i8 with iPad air and suffered same problem until I found a weird solution by accident. Everything I did with audiobus with no matter what apps, that Huge lastency Was there until I figured out that if I start audiobus and interface and put mimix and Some synth app there, that latency vanishes when i plug earphones in iPad's output and then plug Them out again. After that everything works fine with audiobus. So now I just do this before every session and no problem.

  • @Acidroot said:
    I have a focusrite 18i8 with iPad air and suffered same problem until I found a weird solution by accident. Everything I did with audiobus with no matter what apps, that Huge lastency Was there until I figured out that if I start audiobus and interface and put mimix and Some synth app there, that latency vanishes when i plug earphones in iPad's output and then plug Them out again. After that everything works fine with audiobus. So now I just do this before every session and no problem.

    Very cool! This works for me as well on my Focusrite 6i6, thanks!

  • @Acidroot said:
    I have a focusrite 18i8 with iPad air and suffered same problem until I found a weird solution by accident. Everything I did with audiobus with no matter what apps, that Huge lastency Was there until I figured out that if I start audiobus and interface and put mimix and Some synth app there, that latency vanishes when i plug earphones in iPad's output and then plug Them out again. After that everything works fine with audiobus. So now I just do this before every session and no problem.

    So you are saying: just launch an app and after that plug an earphones in and then plug it out again...that's all? Very strange solution!!! Does it work only with audiobus or also when you use standalone apps without audiobus? Just to be sure. The latency problems and glitches happen to all apps regardless if you use audiobus or not. It is not specifically audiobus related.

  • @sitarman said:

    @Acidroot said:
    I have a focusrite 18i8 with iPad air and suffered same problem until I found a weird solution by accident. Everything I did with audiobus with no matter what apps, that Huge lastency Was there until I figured out that if I start audiobus and interface and put mimix and Some synth app there, that latency vanishes when i plug earphones in iPad's output and then plug Them out again. After that everything works fine with audiobus. So now I just do this before every session and no problem.

    So you are saying: just launch an app and after that plug an earphones in and then plug it out again...that's all? Very strange solution!!! Does it work only with audiobus or also when you use standalone apps without audiobus? Just to be sure. The latency problems and glitches happen to all apps regardless if you use audiobus or not. It is not specifically audiobus related.

    I tried it with just AUM running, maybe you don't even need any audio app running at all (haven't tried that). It seems plugging in/out headphones make the iOS audio routing system reset itself and become correctly aligned.

  • I just tried messing around with it, and i could stop the latency, but, the method is very unstable anyway.
    I connected my scarlett 18i8 to my iPad Air 2, opened audiobus, selected input 1 (microphone), selected Bias fx in output slot, more than 1second of latency happening. Then i connected a pair of phones in the iPad Air 2 headphones output a few seconds and then took of. Latency disappeared.
    Then i closed everything, I made the same thing but instead of Bias FX, i selected Cubasis in the output. Now the sound in the audiobus channel (inside cubasis) don't work. But if i create a second channel with input 1 (microphone) selected the sound has no latency now.
    Anyway, NOT a solution. We need to make music without this trouble.

  • I have not noticed any appreciable latency when using my USB interface, Alesis Core 1.

    I'm on an iPad Mini 2 WiFi only and 9.2.1,

    The core 1 is a single input/output device, could the issue be related to devices with multiple input/output channels ?
    OR
    Is it on iPads with GSM ?

  • @j_liljedahl said:

    @sitarman said:

    @Acidroot said:
    I have a focusrite 18i8 with iPad air and suffered same problem until I found a weird solution by accident. Everything I did with audiobus with no matter what apps, that Huge lastency Was there until I figured out that if I start audiobus and interface and put mimix and Some synth app there, that latency vanishes when i plug earphones in iPad's output and then plug Them out again. After that everything works fine with audiobus. So now I just do this before every session and no problem.

    So you are saying: just launch an app and after that plug an earphones in and then plug it out again...that's all? Very strange solution!!! Does it work only with audiobus or also when you use standalone apps without audiobus? Just to be sure. The latency problems and glitches happen to all apps regardless if you use audiobus or not. It is not specifically audiobus related.

    I tried it with just AUM running, maybe you don't even need any audio app running at all (haven't tried that). It seems plugging in/out headphones make the iOS audio routing system reset itself and become correctly aligned.

    Booyakasha! Check dis!

  • By the way, I've contacted the appropriate team at Apple about this, and they are working on it now.

  • YEEesss!! Do you think 9.3 final will solve this ?

  • To be honest, I wouldn't get my hopes up, but you never know

  • I heard that it's fixed in iOS 9.3 beta 4, but haven't confirmed this myself!

  • I am installing it right now, i will say something after testing..wait a few minutes or 1 hour maybe..

  • edited February 2016

    It's not fixed on my iPad Air 2 running 9.3b4 with a Focusrite 6i6

  • @Michael said:
    It's not fixed on my iPad Air 2 running 9.3b4 with a Focusrite 6i6

    Does the headphones plug in/out trick work for you?

  • I didn't get around to testing that one =)

  • edited February 2016

    @j_liljedahl said:

    @Michael said:
    It's not fixed on my iPad Air 2 running 9.3b4 with a Focusrite 6i6

    Does the headphones plug in/out trick work for you?

    It's really a shame that we have to find such dreadful workarounds to make this work. It's no solution.
    Glad to hear Michael got in touch with the Apple guys....

    I almost regret buying my iPad because of this....

  • edited February 2016

    Ok. After testing the 9.3 beta 4 i must say its a little better in my iPad 4. (i will not test again with my Air 2 until this thing is really solved) But Auria Pro, Audiobus, Cubasis....working fine here. The thing just go berserk if i change the sample rate inside Cubasis for example.
    But i adjust latency and is working without glitches. I can have a band making a rehearsal now with monitoring.
    Made reboot various times, open close apps, all good..

  • Have been playing AUM tonight on 2 ipads through an iConnectivity 4+
    Easy to compare the worse latency of ios 9.1 vs ios 8.3 when recording from external hardware so hope 9.3 improves this for me.

  • edited February 2016

    Thankfully I've had no issues using a Behringer iStudio interface dock with iPad-mini2 iOS 9.2.1. Yesterday I used a phantom powered mic, and a Keyboard for sound input plus its MIDI in/out all via AUM, along with a couple of AU synths. AUM handled it all beautifully (yay).

    Note: the iStudio is a "old" model with the 30 pin connector, so I use a lightening to 30 pin adapter. I would have no idea if that's is relevant but thought it worth mentioning.

  • @Michael said:

    So, I wondered: anyone else seeing this with their equipment? Cos...it seems rather bad. It seems like an iOS 9.2 issue, perhaps, but without more data I'm just guessing. What're you guys seeing?

    Hi Michael, I'm glad to discuss this issue which drives me nuts. After a lots of test, my opinion is that the problem is coming from Focusrite. I've got a 6i6 too, which I use(d) with an iPad Air 1, the 1 being important. I first got this latency issue, and not only that but a high buzzing sound and a high sensitivity of my Genelec each time I launch an app or switch between them, when I bought an iPad Pro and plugged the 6i6 on it. And this happened under 9.1 (on my iPad Pro), this hasn't changed.
    But, and I think this is a big but, I don't have all these issues with my iPad Air 1 (9.2.1). And I don't have any problems with my Apogee Duet, wether it's my iPad Pro or Air 1.
    So, contrary to what lots of people wrote or think, I don't think it's an iOS issue, but a Focusrite one. I wrote them twice, their first answer was a bit laconic (it seems you are facing a problem... give us more informations... ), and they didn't answer the second time.
    For what I red on an Auria forum tread, almost every Focusrite Scarlett owner who are working under iOS 9.2 have this latency issue and also the high buzzing sound.
    So, maybe if all Scarlett owner in here were pressing Focusrite with lots of mails and requests, they will take this issue more seriously and release an update. This is clearly outrageous, if I didn't have another soundcard, I wouldn't be able to work at all.
    I hope my informations will be helpful somehow....
    cheers

  • edited March 2016

    Wondering if this might give us some traction to get iOS audio issues some higher priority - or at least noticed? We have the weight as a community to actually speak to a specific issue - (or, well, yes, set of issues!!!) - so, perhaps if enough of us did say something, it would outweigh all the individual "my flappy birds fails" "my Safari bookmarks disappear" "my alarm clock is silent" kind of issues vs 1500 people saying: "PLEASE FIX AUDIO!!!" :smiley: (Being specific of course!)

    http://macdailynews.com/2016/03/03/apple-launches-official-company-twitter-account/

  • @iamspoon said:
    Is this still an issue with most CCK usb audio devices?
    Additionally , I borrowed a friends iPad Air 2 running iOS 9.2.1 and noticed CPU usage was almost double that in comparison to the same project running on my Air 1 (iOS 8.4).
    Quite scared to update at this point to say the least :(

    iOS 9 -> bug on cpu usage
    iOS 9.2 -> bug on cck usb latency.

    Hope they fix those issues. The problem is that I upgrade my iPad with second hand (& sell the previous one) and unfortunately they always have the latest iOS . I seriously consider paying Apple service to downgrade my iPad (if possible)...but now hope 9.3 fixes those issues.

  • @Korakios said:

    @iamspoon said:
    Is this still an issue with most CCK usb audio devices?
    Additionally , I borrowed a friends iPad Air 2 running iOS 9.2.1 and noticed CPU usage was almost double that in comparison to the same project running on my Air 1 (iOS 8.4).
    Quite scared to update at this point to say the least :(

    iOS 9 -> bug on cpu usage
    iOS 9.2 -> bug on cck usb latency.

    Hope they fix those issues. The problem is that I upgrade my iPad with second hand (& sell the previous one) and unfortunately they always have the latest iOS . I seriously consider paying Apple service to downgrade my iPad (if possible)...but now hope 9.3 fixes those issues.

    At least with my Focusrite, the CCK USB latency bug is easy to work around (plug headphones in/out of iPad).
    And, I've heard it's fixed in the latest 9.3 beta, but haven't tried it yet.

  • I've also had the "plug headphone in/out" workaround be reliably successful on my Focusrite 18i6. Looking forward to an actual iOS fix.

  • edited March 2016

    With the zoom h4n at 44.1 the headphone trick won't work, but solved at 48 kHz switching samplerate in aum/audioshare.

  • edited March 2016

    @crzycrs said:
    With the zoom h4n at 44.1 the headphone trick won't work, but solved at 48 kHz switching samplerate in aum/audioshare.

    I too have seen sample rate change solve it, but not always!

  • OK. So, does the released version of 9.3 properly fix these issues. Anyone know yet?

  • 9.3 fixes the latency issue with my Focusrite Scarlett when running 44.1 or 48k. At 96k it adds a quite large unreported latency though, but have no idea if this is an issue with Focusrite (their firmware) or iOS.

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